Clean Lab

Maximizing Solar Panel Efficiency with Low-Glare ETFE Films

Research confirms ETFE-based films are the solution to solar PV's glaring problem

by Vincent PRUD’HOMME 

Business Development Manager Solar, Emotors, Ebatteries  

In the quest for efficient and sustainable energy generation, the field of photovoltaics has gained significant attention. Reducing glare and enhancing light transmission have become critical factors in maximizing solar panel performance. Recent groundbreaking research by Dutch independent research company TNO Labs on low-glare materials highlighted the exceptional performance of low-glare ETFE films for photovoltaic applications. 

Glare is an unwanted reflection of light that can cause discomfort to the human eye and impede the efficiency of solar panels. It diminishes the light reaching the photovoltaic surface, reducing the overall power output. The development of materials with low glare properties has therefore become imperative to enhance the performance and aesthetics of solar panels. In the quest for efficient and sustainable energy generation, the field of photovoltaics has gained significant attention. Reducing glare and enhancing light transmission have become critical factors in maximizing solar panel performance. Recent groundbreaking research by Dutch independent research company TNO Labs on low-glare materials highlighted the exceptional performance of low-glare ETFE films for photovoltaic applications. 

TNO Labs' research on low-glare materials identifies a clear winner

TNO Labs, renowned for its expertise in sustainable technology research, comprehensively evaluated various low-glare materials. Their research aimed to identify the optimal material that minimizes glare while maximizing light transmission. 

Low-glare ETFE (ethylene tetrafluoroethylene) films emerged as the clear winner among the materials tested. ETFE is a polymer known for its exceptional transparency, durability, and resistance to environmental degradation. The unique combination of these properties makes ETFE an ideal material for photovoltaic applications. 

etfe-matte-film-color
Matte ETFE Film
etfe e2
ETFE-E2 Film

Key Findings of TNO Labs' Research

Glare Reduction: Low-glare ETFE films demonstrated a remarkable ability to reduce glare, minimizing the negative impact of reflections on the efficiency of solar panels. The films' surface structure and advanced optical properties effectively dispersed incident light, ensuring a more uniform distribution on the photovoltaic surface.  

Durability: ETFE films are highly resistant to degradation caused by UV radiation, chemicals, and extreme weather conditions.  

Aesthetics: In addition to their exceptional performance, low-glare ETFE films also enhanced the visual appeal of solar panels. The glare reduction resulted in a more aesthetically pleasing appearance, making them an ideal choice for architectural integration and urban environments. 

In conclusion, Saint-Gobain Composite Solutions ETFE films minimize glare, maximize light transmission, and ensure long-term durability making them ideal for solar panel manufacturers and sustainable energy projects. With the utilization of low-glare ETFE films, the efficiency and aesthetics of photovoltaic systems can be significantly enhanced, paving the way for a brighter and more sustainable future.